the certificate that is given to university or college students upon successful completion of their course
证书
a day when a person does not have to work or go to school, and can instead relax or do other activities
厂礼拜
any movie, picture, note, etc. designed to promote products or services to the public
广告
to have a person, letter, or package physically delivered from one location to another, specifically by mail
发送一些东西
a formal request, usually written, for permission to do something, such as getting a job, studying at a university, etc.
应用
requiring significant effort, skill, or determination to overcome or accomplish successfully
具有挑战性的
referring to something that involves repeating the same actions or elements multiple times, often leading to boredom or dissatisfaction
单调
(of an activity) making one feel satisfied by giving one a desirable outcome
令人满意或有益的
(particularly of an acivity) causing a feeling of physical or mental fatigue or exhaustion
累
(of a job or occupation) providing a high salary or income in comparison to others in the same industry or field
有利可图的